TY - BOOK AU - Villegas, Bernardo M. AU - ED - ED - ED - ED - SN - 9718527354 (paperback) SN - 2 PY - 1996///];copyright 199646 CY - Manila, Philippines PB - University of Asia KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Values N1 - 5 ER -